Electronic Components
LEDs, Capacitors, Diodes, Semiconductors
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Circuits Experiments Warning!
P=Project   E=Experiment   C=Circuit


Build your own LED water conductivity meter - conductivity as a water quality measurement [E]
Determine how the output of an LED flashlight changes over time as its temperature increases. [E]
How efficient an LED is compared to a conventional incandescent lightbulb? [E]
Color Mixing with Red, Green, & Blue LEDs [E]
Measure the light output of an LED as a function of current through the LED. [E]
Investigate the operation of Light Emitting Diodes (LED) and determine if modern LEDs have the advantages to replace incandescent light bulbs for energy-saving purposes. [E] [E] [E] [E]
Build a LED Radiometer [E]
Make your own white LED flashlight bulb. [E] [E]
Lights & LED Circuits


Enhancing the Rate Capability of the Ni-Co-O System Supercapacitor Electrode Using NH3 Treatment [E]
Design and Synthesis of Hydrogenated TiO2-Polyaniline Nanorods for Flexible High-Performance Supercapacitors [E]
Explore Solar Energy with a Supercapacitor Car Motor [E]
Build a Leyden jar capacitor out of common household materials and determine how much charge is stored as you test different charge cycles. [E]
See if static electricity could be stored in a Leyden jar capacitor made out of common household materials, and if so, can the charge held inside the Leyden jar be measured. [E]
The effect of different shapes (square, isosceles triangle, equilateral triangle) of asymmetrical capacitors on thrust production. [E]
Test capacitance properties [E] [E]
Build a baking soda variable electrolytic capacitor and oscillator. [E] [E] [E]
Explore the relationship between thrust and voltage of an asymmetric capacitor as a means of generating air thrust (The Biefeld-Brown effect / electrohydrodynamics (EHD). [E]


How Does the Spectrum of an Ionized Gas Affect the Amount of Electric Current that a Silicon Photodiode Produces? [E]
What Is the Effect of Temperature on the Output of Semiconductor Diodes? [E] [E]
Build your own borax or baking soda rectifier. [E] [E]
Build a negative resistance oscillator with a homemade tunnel diode. [E] [E]
Make your oun vacuum tube diode. [E] [E]
Build a simple Zener-regulated power supply [E] [E] [E]


Explore the history, applications, and recent advancements of semiconductor technology. [P]
Build your own photocell. [E] [E]
How long would it take for a semiconductor device to reach a dangerously high temperature of 200C when soldered into a circuit? [E]
Experiments With Transistors and Solid State Devices [E]
Make your own thermistor and pressure sensor. [E] [E] [E]
Build an active semiconductor device with iron pyrites. [E] [E]
Investigate Moore's Law [E] [E] [E] [E]
Use of Quartz Crystal Microbalance (QCMB) to Study Antibody Antigen Interactions [E] [E] [E]
Research memristors (memory resistor) and explain their revolutionary nature [E]
Can Light Energy Accurately Measure Surface Area? [E]
Use an electronic photosensor to verify that the inverse square law applies to light. [E]


Comparing the Electrical Resistance of Solder Joints and Electrically Conductive Adhesives [E]
Make your own vacuum tube triode. [E] [E]
Useful Links
Science Fair Project Resources [R]
Citation Guides, Style Manuals, Reference [R]
Electrical Safety [R] [R]
Electronics Project Books


Electronics Projects
Electronics Topics Electronic Circuits
Robots & Robotics
Radio & Wireless
Infrared Radiation
Electronic Devices
Electronic Instruments
Sensors & Measurement
Light Sensors, Measurement
Electromagnetic Detectors
Electronic Components
Power Supplies
Radar & Sonar
Solar Cells
Artificial Intelligence (AI)
Autonomous Robots
Control and Automation
Machine Vision
Electronic Circuits
Lights & LEDs
Sound Effects
Cars & Motorcycles
Computers / PC
Detectors & Sensors
Electronics Games
Audio & Sound
Clocks & Counters
Power Supplies
Control & Interface
Test Equipment

Science Fair Project Guide
Science Fair Project Types
The Scientific Method - How to Experiment
The Display Board
Topics, Ideas, Sample Projects

Electronics Discoveries and Inventions
Heinrich Hertz: Radio Waves
Guglielmo Marconi: Radio
Radio and Wireless Patents
Bell: Telephone Invention
The Invention of the Transistor
Konrad Zuse: Relay Computer
The Oil-Drop Experiment

Electricity Projects Famous Electro Scientists

My Dog Kelly

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Last updated: January 2017
Copyright 2003-2017 Julian Rubin